单词：scale leaf
scale leaf的用法和样例：
例句
- The stem is reduced to a disklike structure, bearing concentric layers of fleshy leaf bases that comprise the food store.由许多肥厚的肉质鳞叶包围扁平或圆盘状的地下茎，其中储藏着大量的营养物质。
- scale刻度
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